Aug 18 2020 when we cold roll aluminum foil we are not able to control the speed of the rolling process the rolling process or the rolling speed of the rolling mill relevant answer empirical formula
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Get PriceFeb 25 2016 calculation of roll force is important because calculation of torque and power in a rolling mill is based on calculation of roll force in a continuous mill speed matching the stand to
Get PriceJan 01 2015 fig5 frequency response characteristics of the rolling mill at change of the speed setting for the first stand 12 for rolling speed 178 ms 34 for rolling speed 178 ms 13 for the first interstand gap 24 for the second interstand
Get PriceJun 18 2014 calculations of rolling power needed and loads on mechanical equipment the calculations of load torque and power is done based on sims formula from billetbloom to finishing dimension as a function of geometry steel grade temperature and tension the calculation of temperature is a function of power dimension and heat transfer co
Get PriceMotors these are known as mill stands the layout of a rolling mill varies from a simple single stand mill to several stands positioned either side by side or in a line a mechanism commonly called a roller table directs the work piece to the rolls and another roller table for
Get PricePut formula 1and2into4 we get in above formulab– the maximum width of rolled sheet steel plate initial deformation bending moment m 0 is 22 working roll force calculation according to the structural characteristics of the four rolls it is easy to know that the four working rolls can be arranged in two different
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Get PriceSep 06 2011 calculating mill drive rpms is your mill up to speed by robert a sladky vice president tube mill engineering many w style mills that have the ability to shim up the bottom driven shafts in each section to maintain metal line after tooling is reworked and are many times also equipped with a individual motor drive in each of the three sections as illustrated
Get PriceThe ratio λ alp a√r∆t is used to calculate the moment arm ‘a’ λ 05 for hot rolling and 045 for cold rolling the torque is equal to the product of total rolling load and the effective moment arm since there are two work rolls torque mt 2pa consider two high roll mill as shown in the
Get PriceThe working roll diameter is 500 mm determine the rolling load on the rolling stand if the coefficient of friction is 007 also determine the rolling torque solution example 2 a billet of area of section 150 mm x 150 mm is rolled to 120 height in a rolling mill with 600
Get PriceTorque in rolling mills calculation formula with example 2016225a wire rod rolling mill for example gradually reduces the crosssectional area of a starting billet eg 150 mm square 1012 meters long down to a finished rod as small as 50 mm
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